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SURFACE EMISSIONS MONITORING <br /> 7 C tCAL@BRATON AND PERTINENT DATA <br /> zDate — Z J Site Name <br /> Inspector(s) / d Instrument TVA 7020 — <br /> 4VEATHZR OBSERVATIONS <br /> Wind r Barometric 1 <br /> Wind Speed MPH Direction L "?SS+r= 30•Z ` -Hg <br /> Air General Weather <br /> Temperature'_ �► 3 'F Conditions (� <br /> C,'ALI$RATION INFORNIATION <br /> Pre-monitoring Calibration Precision Check <br /> Procedure Calibrate the instrument Make a torn/of three measurements by alternating zero air and the calibration gas Record the readrngs <br /> and calculate the average algebraic difference between the instrumenc reading and the calibration gas as o,percentage i he cohbrotioo <br /> precigron must be less than or equal to 10%of the calibration gas value <br /> Instrument Serial Number (�'�ZU' CaI Gas Concentration 500ppm <br /> Trial Zero Air Reading Cal Gas Reading ;Cal Gas Conc -CaI Gas Reading= Response Time(seconds) <br /> 1 f mod. <br /> 2 <br /> 3 U I J—GG <br /> Average Difference <br /> 'o=_rfvrnn-ecahbraoon iF average difference s;r=aier;han 10 <br /> Calibration Precision=Average Difference/Cai Gas Conc X 100% <br /> 00%- (p /500 x 100% <br /> = g9'. 88 <br /> ]pan SensitiviN- <br /> Trlai 1; Trial 3: <br /> Counts Observed for the Span= ��ZG Counts Observed for the Span= <br /> Counters Observed for the Zero= V 7�L- Counters Observed for the Zero= <br /> Trial 2: <br /> Counts Observed for the Span= c <br /> Counters Observed for the Zero= 3� O <br /> Post Monitoring Calibration Check <br /> 7ero Air Cal Gas l <br /> Reading —U 3 ppm Reading �( ppm <br /> BACKGROUND CONCENTRATI0NS CHECKS <br /> Upwind Location Description. �re-- Reading `I ppm <br /> Downwind Location Description 6trl v Reading 3 .6 ppm <br /> Notes- Wind speed averages were observed to remain below the alternative requested 10 miles per hour and no instantaneous speeds <br /> exceeded 20 miles per hour No rainfall had occurred within the previous 24 hours of the monitoring event. Therefore, site <br /> meteorological conditions were within the requested alternatives of the LMR requirements on the above mentioned date <br />